deps(rust): bump gpui_platform from v1.6.3 to v1.8.2

Bumps [gpui_platform](https://github.com/zed-industries/zed) from v1.6.3 to v1.8.2.
- [Release notes](https://github.com/zed-industries/zed/releases)
- [Commits](zed-industries/zed@601ecb3...5e33fc8)

---
updated-dependencies:
- dependency-name: gpui_platform
  dependency-version: 5e33fc855f6fe58dd82ed6acb1f58034c3fb6bac
  dependency-type: direct:production
...

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Author: dependabot[bot]